C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Throttle position sensor

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Old Sep 8, 2016 | 08:39 PM
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yedister's Avatar
yedister
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Default Throttle position sensor

Have a strange problem. I have a Accel DFI Gen 7.
When starting the engine, it starts then dies quickly.
There is no movement on the Accel dash board for the TPS. When I move the throttle by hand, it response smoothly. I performed a TPS calibration, same problem. Thanks for your assistance.
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Old Sep 8, 2016 | 08:56 PM
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From: Lansing MI
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Originally Posted by yedister
Have a strange problem. I have a Accel DFI Gen 7.
When starting the engine, it starts then dies quickly.
There is no movement on the Accel dash board for the TPS. When I move the throttle by hand, it response smoothly. I performed a TPS calibration, same problem. Thanks for your assistance.
I don't know what the "dashboard" is but I am imagining a scan tool of some sort that allows you to view the data stream ??? If that's correct and the TPS voltage never changes on the data stream but tests fine at the sensor itself then it seems like you must have a wiring problem.
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Old Sep 8, 2016 | 09:27 PM
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yedister
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Originally Posted by Amotoxracer
I don't know what the "dashboard" is but I am imagining a scan tool of some sort that allows you to view the data stream ??? If that's correct and the TPS voltage never changes on the data stream but tests fine at the sensor itself then it seems like you must have a wiring problem.
The Calmap software Dashboard is the program used for the Gen 7. When I calibrate it I use the Calmap with the Gen 7

Please see Time interval 4:45 it covers TPS calibration

Last edited by yedister; Sep 8, 2016 at 09:29 PM.
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Old Sep 8, 2016 | 09:32 PM
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From: Lansing MI
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Ok so not what I thought, or my area of expertise. I'm sure someone who is familiar with what your doing will chime in ....
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